Festo CPX-2AA-U-I, Electronic Manual

Page: 80 / 228

2. Analogue input module CPX−2AE−U−I
2−36
Festo P.BE−CPX−AX−EN en 0503b
Error LED
The red error LED indicates a module fault depending on the
parametrizing (short circuit or overload of the sensor supply,
wire fracture or parametrizing fault).
E rror L E D
(r e d)
S e q uence S tatus F au l t
num b e r
F au l t
t r eatment
LED is out
ON
OFF
Faultless operation None
LED lights up
ON
OFF
F au l t s hor t ci r cuit /ov e rlo a d
Short circuit/overload in sensor
supply (V
EL/SEN
).
or
M od u l e d e f ecti v e
2
15
See section
2.5.1, Tab.2/21
Check and, if
necessary,
replace compo
nent
LED flashes
ON
OFF
1 flash
1)
W i r e fr actu r e at cu rr ent in p ut
I
IN
<
2.0 mA
or
Low e r l imit e x cee d e d
Input signal is less than the
parametrized limit
or
Upp e r l imit e x cee d e d
3
9
10
See section
2.5.1, Tab.2/21
ON
OFF
2 flashes
1)
Upp e r l imit e x cee d e d
Input signal is greater than the
parametrized limit
or
F au l t in p a r amet r i z in g
Parameter data format
Parameter filter measured value
Parameter lower limit
Parameter upper limit
10
21
23
24
25
1)
The number of flash pulses indicates the input channel concerned.
1 flash
= channel 0 (or both channels)
2 flashes = channel 1
Tab.2/22: Error LED of analogue input modules